CVE-2018-10878: canonical ubuntu_linux Out-of-bounds Write
Vulnerability summary
CVE-2018-10878 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in canonical ubuntu_linux. EPSS estimates a 0.75% chance of exploitation in the next 30 days, higher than 55% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 4.8, physical access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 22 · Related 17Timeline
- 26-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified other impact is possible by mounting and operating a crafted ext4 filesystem image.
CVSS metrics
7 scores · 4 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST4.8MediumCVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.75%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.75% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugzilla.kernel.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: physical access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu23 products
- linuxAll versions (No fix recorded) | < 4.4.0-134.160 | < 4.15.0-44.47
- linux-aws< 4.4.0-1028.31 | < 4.4.0-1066.76 | < 4.15.0-1032.34
- linux-aws-hwe< 4.15.0-1032.34~16.04.1
- linux-azure< 4.15.0-1037.39~14.04.2 | < 4.15.0-1037.39~16.04.1 | < 4.15.0-1037.39
- linux-azure-6.11All versions (No fix recorded)
Redhat3 products
Debian2 products
- linux< 4.17.3-1
- debian_linuxEOL8.0
[unknown]1 product
- kerneln/a
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04
Linux1 product
- linux_kernel< 3.16.58 | ≥ 3.17, < 3.18.124 | ≥ 3.19, < 4.4.140 | ≥ 4.5, < 4.9.112 | ≥ 4.10, < 4.14.55 | ≥ 4.15, < 4.17.6
6 vendors · 31 products
References
25 links
lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 25 references
- bugzilla.kernel.org/show_bug.cgi?id=199865X Refsource CONFIRMExploitIssue TrackingPatchVendor AdvisoryREPORT